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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 106 961 848 386 311 604 37975

P. B. Armentrout publications per year

The chart shows the history of publications by P. B. Armentrout between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. P. B. Armentrout published across 49 years, from 1977 to 2025, averaging 13.1 papers a year. Output peaked at 25 publications in 2021. 21 of the 644 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1977 to 2025. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2021. 1977: 4 publications 1978: 1 publication 1979: 2 publications 1980: 5 publications 1981: 9 publications 1982: 2 publications 1983: 2 publications 1984: 7 publications 1985: 2 publications 1986: 19 publications 1987: 14 publications 1988: 9 publications 1989: 19 publications 1990: 23 publications 1991: 22 publications 1992: 24 publications 1993: 17 publications 1994: 16 publications 1995: 21 publications 1996: 17 publications 1997: 14 publications 1998: 11 publications 1999: 18 publications 2000: 14 publications 2001: 13 publications 2002: 16 publications 2003: 21 publications 2004: 11 publications 2005: 7 publications 2006: 8 publications 2007: 8 publications 2008: 14 publications 2009: 12 publications 2010: 16 publications 2011: 9 publications 2012: 10 publications 2013: 16 publications 2014: 9 publications 2015: 14 publications 2016: 18 publications 2017: 22 publications 2018: 15 publications 2019: 22 publications 2020: 10 publications 2021: 25 publications 2022: 24 publications 2023: 11 publications 2024: 15 publications 2025: 6 publications
1977 2025

644 publications in total across all disciplines

View publications per year as a table
P. B. Armentrout: publications per year, 1977 to 2025
Year Publications
1977 4
1978 1
1979 2
1980 5
1981 9
1982 2
1983 2
1984 7
1985 2
1986 19
1987 14
1988 9
1989 19
1990 23
1991 22
1992 24
1993 17
1994 16
1995 21
1996 17
1997 14
1998 11
1999 18
2000 14
2001 13
2002 16
2003 21
2004 11
2005 7
2006 8
2007 8
2008 14
2009 12
2010 16
2011 9
2012 10
2013 16
2014 9
2015 14
2016 18
2017 22
2018 15
2019 22
2020 10
2021 25
2022 24
2023 11
2024 15
2025 6
Total 644
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P. B. Armentrout publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where P. B. Armentrout sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 601–620 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 604 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114 604
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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P. B. Armentrout D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where P. B. Armentrout sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 106–107 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 106 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88 106
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Research.com Recognitions

  • 1994 - Fellow of American Physical Society (APS) Citation For ion beam studies of molecular dynamics, chemical kinetics and thermochemistry of gas phase reactions, especially those involving transition metal atomic ions and clusters
  • 1992 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1986 - Fellow of Alfred P. Sloan Foundation

Overview

P. B. Armentrout is a researcher primarily affiliated with the University of Utah in the United States. Their work spans several interconnected fields, notably chemistry and physics, with significant contributions to spectroscopy, atomic and molecular physics, materials chemistry, catalysis, and inorganic chemistry.

Their research topics cover diverse areas including advanced chemical physics studies, mass spectrometry techniques and applications, radioactive element chemistry and processing, catalysis and oxidation reactions, catalytic processes in materials science, as well as analytical chemistry methods development and chromatography.

Among their recent publications are the following notable papers:

  • Guided Ion Beam and Quantum Chemical Investigation of the Thermochemistry of Thorium Dioxide Cations: Thermodynamic Evidence for Participation of f Orbitals in Bonding (2020, Inorganic Chemistry)
  • Periodic trends in gas-phase oxidation and hydrogenation reactions of lanthanides and 5d transition metal cations (2021, Mass Spectrometry Reviews)
  • Disassembly Mechanisms and Energetics of Polymetallic Rings and Rotaxanes (2022, Journal of the American Chemical Society)
  • Relative Energetics of the Gas Phase Protomers of p-Aminobenzoic Acid and the Effect of Protonation Site on Fragmentation (2021, The Journal of Physical Chemistry A)
  • Adduct Ions as Diagnostic Probes of Metallosupramolecular Complexes Using Ion Mobility Mass Spectrometry (2023, Inorganic Chemistry)

P. B. Armentrout frequently collaborates with several co-authors, including Brandon C. Stevenson, Giel Berden, Jos Oomens, Jonathan Martens, and Georgia C. Boles, indicating a broad collaborative network in their research endeavors.

Their work is regularly published in leading scientific venues such as:

  • The Journal of Physical Chemistry A
  • The Journal of Chemical Physics
  • Physical Chemistry Chemical Physics
  • International Journal of Mass Spectrometry
  • Journal of the American Society for Mass Spectrometry

Throughout their career, P. B. Armentrout has received recognition including fellowships from prominent organizations: they were named Fellow of the American Physical Society in 1994 with a citation highlighting ion beam studies related to molecular dynamics, chemical kinetics, and thermochemistry involving transition metal atomic ions and clusters. They also hold fellowships from the American Association for the Advancement of Science (1992) and the Alfred P. Sloan Foundation (1986).

Best Publications

  • Translational energy dependence of Ar++XY→ArX++Y (XY=H2,D2,HD) from thermal to 30 eV c.m.

    Kent M. Ervin;P. B. Armentrout

  • Statistical modeling of collision-induced dissociation thresholds

    M. T. Rodgers;Kent M. Ervin;P. B. Armentrout

  • Solvation of Transition Metal Ions by Water. Sequential Binding Energies of M+(H2O)x (x = 1-4) for M = Ti to Cu Determined by Collision-Induced Dissociation

    N. F. Dalleska;Kenji Honma;L. S. Sunderlin;L. S. Sunderlin;P. B. Armentrout

  • Sequential bond energies of Fe(CO)x + (x = 1-5): Systematic effects on collision-induced dissociation measurements

    Richard H. Schultz;Kevin C. Crellin;P. B. Armentrout

  • Noncovalent metal–ligand bond energies as studied by threshold collision‐induced dissociation

    M. T. Rodgers;P. B. Armentrout

  • The chemistry of atomic transition-metal ions: insight into fundamental aspects of organometallic chemistry

    P. B. Armentrout;J. L. Beauchamp

  • Carbon and oxygen isotope fractionation in dense interstellar clouds

    W. D. Langer;T. E. Graedel;M. A. Frerking;P. B. Armentrout

  • Thermochemistry of Transition Metal Benzene Complexes: Binding Energies of M(C6H6)x+ (x = 1, 2) for M = Ti to Cu

    Franc Meyer;Franc Meyer;Farooq A. Khan;Farooq A. Khan;P. B. Armentrout

  • Guided ion beam study of collision-induced dissociation dynamics: integral and differential cross sections

    Felician Muntean;P. B. Armentrout

  • Electronic State-Specific Transition Metal ION Chemistry

    P B Armentrout

  • Activation of hydrogen and methane by thermalized FeO+ in the gas phase as studied by multiple mass spectrometric techniques

    Detlef Schröder;Helmut Schwarz;David E. Clemmer;Yumin Chen

  • Collision‐induced dissociation of Fe+n (n=2–10) with Xe: Ionic and neutral iron binding energies

    S. K. Loh;David A. Hales;Li Lian;P. B. Armentrout

  • Chemistry of Excited Electronic States

    P. B. Armentrout

  • Sequential bond energies of chromium carbonyls (Cr(CO)x+, x = 1-6)

    Farooq A. Khan;D. E. Clemmer;Richard H. Schultz;P. B. Armentrout

  • An Absolute Sodium Cation Affinity Scale: Threshold Collision-Induced Dissociation Experiments and ab Initio Theory

    P. B. Armentrout;M. T. Rodgers

  • Stepwise solvation enthalpies of protonated water clusters: collision-induced dissociation as an alternative to equilibrium studies

    N. F. Dalleska;Kenji Honma;Kenji Honma;P. B. Armentrout

  • Reaction mechanisms and thermochemistry of vanadium ions with ethane, ethene and ethyne

    N. Aristov;Peter B. Armentrout

  • Reactions of N+4 with rare gases from thermal to 10eV center-of-mass energy: collision-induced dissociation, charge transfer and ligand exchange

    Richard H. Schultz;P.B. Armentrout

  • Statistical modeling of competitive threshold collision-induced dissociation

    M. T. Rodgers;P. B. Armentrout

  • Periodic trends in transition metal-hydrogen, metal-carbon, and metal-oxygen bond dissociation energies. Correlation with reactivity and electronic structure

    P. B. Armentrout;P. B. Armentrout;L. F. Halle;J. L. Beauchamp

Frequent Co-Authors

M. T. Rodgers
M. T. Rodgers Wayne State University
Jos Oomens
Jos Oomens Radboud University
Ellen R. Fisher
Ellen R. Fisher Colorado State University
Jesse L. Beauchamp
Jesse L. Beauchamp California Institute of Technology
David E. Clemmer
David E. Clemmer Indiana University
Helmut Schwarz
Helmut Schwarz Technical University of Berlin
Giel Berden
Giel Berden Radboud University
Detlef Schröder
Detlef Schröder Czech Academy of Sciences
Michael T. Bowers
Michael T. Bowers University of California, Santa Barbara
Philippe Maître
Philippe Maître University of Paris-Saclay

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